<!DOCTYPE html>
<html lang="en">
    <head>
        <meta charset="UTF-8">
        {% block head %}{% endblock %}
        <title>{% block title %}{% endblock %}-在线文本分析平台</title>
    </head>

    <body>
        <div class="main">
            {% block main %}{% endblock %}
        </div>
    </body>
</html>